English Name
Time
Share
Wikipedia
Party Facts ID
Manifesto Project
PRG
ParlGov
CLEA
PaRadeGa
EJPR PDY
RdG
V-Party
Wikipedia tags
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
MRG
WhoGov
EP roll call votes
ENRAD MRG PRG
ERDDA (2013)
EU-NED
IPOD
RaLePa
KUREP (2012)
Laver / Hunt
Mackie / Rose (1991)
MAPP
MGRS
Poll of Polls
PPMD (all)
Ray (1999)